Sonia Cannas

Université de Strasbourg, IRMA, PhD student

University of Pavia, Matematica, PhD student

University of Cagliari - Italy, Department of Mathematics and Computer Science, Adjunct Professor

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I am an adjunct professor in Mathematics at the University of Cagliari (Italy). I received my PhD in Mathematics from the University of Pavia (Italy), in co-tutorship with the University of Strasbourg (France) and the University of Milano-Bicocca.
Supervisors: Athanase Papadopoulos, Ludovico Pernazza, Moreno Andreatta

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Conference paper by Sonia Cannas

On the group of transformations of classical types of seventh chords

Mathematics and Computation in Music (MCM 2017), Lecture Notes in Computer Science, 2017

This paper presents a generalization of the well-known neo-Riemannian group P LR to the classical... more This paper presents a generalization of the well-known neo-Riemannian group P LR to the classical five types of seventh chord (dominant , minor, half-diminished, major, diminished) considered as tetra-chords with a marked root and proving that it is isomorphic to the abstract group S5 Z 4 12. This group includes as subgroups the P LR group and several other groups already appeared in the literature.

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Papers by Sonia Cannas

Musical surfaces

It is sometimes useful to represent a musical score on a geometric model different from the usual... more It is sometimes useful to represent a musical score on a geometric model different from the usual Euclidean plane. The aim of this article is to show how certain musical scores can be represented on non-orientable surfaces. In particular we will deal with crab canons (by Bach and by Schönberg) represented on Möbius strips